Metal Exhaust Grille is suitable for installation on ceiling or wall. It can also be used for supply air. The diffuser has a lockable central cone,
which is rotated to adjust the pressure and consequently the air volume. Can be used for supply air. Suitable for 4" ducts.
• Easy installation either into the mounting frame or directly onto the duct
• For supply and exhaust air
• The airflow is adjusted by rotating the valve cone